18870363

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 28882880

約数和(自身を除く): 10012517

約数列:

[1, 3, 9, 19, 57, 171, 211, 523, 633, 1569, 1899, 4009, 4707, 9937, 12027, 29811, 36081, 89433, 110353, 331059, 993177, 2096707, 6290121, 18870363]

約数ペア:

[(1, 18870363), (3, 6290121), (9, 2096707), (19, 993177), (57, 331059), (171, 110353), (211, 89433), (523, 36081), (633, 29811), (1569, 12027), (1899, 9937), (4009, 4707)]